Ball-bearing tube for tires.



281.- l PATBNTED JUNE 13, 1907.

- l w. HDGBEN.

BALL BEARING TUBE FOR TIRES.

APPLICATION FILI-EDU011?, 1906.

30 l the accompanying drawings "andparticularly UNITED omnes.v

WALTER: HoeBnN, or L ,EoihnsTER,v MASSACHUSETTS.

i BALL-BEARING- T'Bs on'jrl'nss.

No. 8512er:

l Specification .of Letters Patent. i

vItmiiii-.edl- June 1'8, 1907.

Tubes-for Tires,of Which thel'follovving is a -v i full, clear, and exact-description'.

This invention relates l.to inner tubes for tires, 'andhas for its object to provide an f inner tube adapted, when lacedf-vvithiifl'fan'-y elastic material.' -For light Workl the cush- Y ordinary tire. casing,- to furnlsh the'necessar @nehmt vertedintef resiliency for practical Worlqfand which Wi l not collapse when puncturedl Another o b'ectis to provide an inner tube adapted# v rylittle expense and vWith very scribedfvvhichmayf ybe used in' connection With 'any-pneumatictire, Whether it be a single tube, clencher, 'or the rdinary 4type. of

hereinafter more fully described, shown lin pointed outin the appended claims, itbeing understood thatohanges in the femm-proportion,si` z'e\ and rminor details may bepmade,

Within the'scope of theclaimafwithout departingfrom the spirit or sacrificing anyof` the advantagesof the invention.

In thexdrawings, Figure 1 is a view, partly in sectiomIof aportion of vaninnergtube-V em- 'bodying my invention. 2 is a similar view of the inner tube incased, and containingelon ated cushioning-elements. Fig. 3

is a-simi ar viewv showing vthe compression of the sphericalcushioning'elements When the tire iscarrying.a` heafload. Figpi` is a, cross section :of la mol ed elastic ball, and

Fig. 5 isv a. pers ective-vievv `f an elastic ball formed 'by Wind; upon itself. y

Like characters of eference'designate correspondingl parts' throughout 'the f several v1eWs.

The present invention :includes an inner tube 1, the length of Whichf'is ,approxi-1 mately equal to the circumference of the Wheel on which it is to; be used; and-whilethetube r` =`use lin connection 'with porous s'whereby they zmaybe-com, 4

rviceable Vnoncollapsible cush- 4lrtller objectiojthi's invention isto provide'an inner tube of-the character de- 'ng astri'p of elasticmaterial molded into solid" spheres.

of any other shape', and Vinstead yof being molded may be ritseli, into-'the `desired shape, a stungof formed 'Ato increase their elasticity, to adapt l them for the most efficient service.

vmay 1 be ring-like with a l continuous inner chamber, into the interior of Which the cush- 'aperture Which'is' afterward sealed, said 'be' straight and sealed atbothendsafter'the ycushioning elements have been lacedwithin it, said straight tube beingsfja rWhich is similar tothose 'of-tlieordinary double tube tires.

ber with strips ofcanvas,41 einforcing` the tread ortio'n. The cushioning' elements are space a art, 'r separated fby\ intervals, 6,

one Of the 'puncturing the tire andenterin cushioning, elements 2, whil" shown'with its pointv betw `eg` ;n 'j t'vvo ofthe elements. Neither of thesepfunetures effect not depend upon compressed` s .irxfiir its. re-

junderstood that' the tu 'el 1 1l1d witheush- It Will here be explained that the tube 1 ionfing elements 2 are inserted .through an form being best adapted orirse connec' tion With clenchercasings; ofthe-tube vmay the -serviceabil-ity vofV lthe tire as tire does ioning elements 2;:is placedin them the same manner -afs theinner tube'of agpneuA is,preferab ly made of rubber, it maybe made ofv any-flexible material, sagit-acts. merelyv as a vretainer vfor the lelastic balls :21 placed.therein,l and-'need n ot, therefore, 'be airtight; 'Tlie elastic balls are the 'eushv` ioning elements ,and `are madeiof; rubber y t If preferred,

however, theyl may ebe elli tical, cubical or 6.5, ormed--by Windingl upon v ioning elements maybe made hollow 'andjl filled with air .under ressure, or they may u t I be provided with c` annels or otherwiseI elitedto' be forced-into placein the-tublilar casing 85 This later form of casing, V- illustrated in Figs. 2 and3,'is madeof rub.

sista'nce, but u ontli'e lcushioning elementfZ. From the' oregoinf"it will be :rea'iiily preferred 1 10 claim as new and desire to secure by Letters Patentis, 'm VA device for holding up collapsed tubular tires comprising a, ieXi-ble tube adapted ytobe 5 inserted Within the tire, solid, e1astie,spher ical bodies located Within the tube, the sum total of the 'diameteis of seidy bodies being less than the inner ereumferenee of the tubular tire. y

, WALTER HOGBEN. Witnesses: A

OSCAR A. TAFT,

" KATE S. TAFT. 

